What is the sum of squares of first 15 natural numbers?
(1) 14400
(2) 1240
(3) 120
(4) 3720
EXPLANATION
The sum of the squares of the first n natural numbers is given by the formula:

Therefore, the correct answer is: (2) 1240
What is the sum of squares of first 15 natural numbers?
(1) 14400
(2) 1240
(3) 120
(4) 3720
The sum of the squares of the first n natural numbers is given by the formula:
Therefore, the correct answer is: (2) 1240
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